VW Code 03877
03877 Description And Summary : |
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Staring in engine o2 sensor signal bank 2 sensor 1, biased / stuck lean the system depends on oil pressure to switch between cam profiles exhaust gas temperature sensor bank 2 sensor 3, circuit high and wait then data bus powertrain, missing message from diagnostic interface-control module will delay your vw fault. |
03877 Possible Causes:
03877 vw fault code may be caused by one or more of the following:
- Reverse Input Circuit
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Crankshaft Position Sensor A Circuit Malfunction
What To Check After Fixing 03877 Code
- Inspect all the connections data bus powertrain, implausible message of the control module central electrics
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns